DIY Marinizing

A forum to discuss "do it yourself" marinizing of engines / conversion of automotive engines to marine use.

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  1. Jeff
    Sticky

    Important Disclaimer: Safety comes first

    Jeff, Sep 3, 2004
    Replies:
    4
    Views:
    29,211
    Richard Petersen
    Dec 12, 2004
  2. Ward

    Weed eater engine conversion

    Ward, Jun 2, 2003 ... 102 103 104
    Replies:
    1,551
    Views:
    1,344,740
    Thin water
    May 29, 2016
  3. Guest

    Auto engine marinization

    Guest, Jun 10, 2002 ... 14 15 16
    Replies:
    231
    Views:
    314,393
    Machineman
    Jul 1, 2010
  4. kistinie

    Making a high efficency 3 Kw DC Generator

    kistinie, Mar 8, 2009 ... 8 9 10
    Replies:
    148
    Views:
    64,495
    apex1
    May 5, 2009
  5. Ken Gasch

    Automobile Transmission, why not?

    Ken Gasch, Oct 5, 2004 ... 7 8 9
    Replies:
    125
    Views:
    89,740
    black_sails
    May 10, 2016
  6. parkland

    Truck diesels

    parkland, Nov 7, 2012 ... 6 7 8
    Replies:
    109
    Views:
    39,301
    black_sails
    May 11, 2016
  7. pistnbroke

    Thai Longtail/mudmotor With 6hp Lifan/honda

    pistnbroke, Feb 26, 2009 ... 5 6 7
    Replies:
    94
    Views:
    127,712
    etott
    Jun 1, 2016
  8. jakefrith

    Why don't boats have gears?

    jakefrith, Oct 28, 2008 ... 5 6 7
    Replies:
    90
    Views:
    93,195
    Yellowjacket
    Feb 2, 2013
  9. sailingmonica

    Volkswagen Jetta 1.6 - how many HP - prop calc

    sailingmonica, Oct 20, 2009 ... 4 5 6
    Replies:
    77
    Views:
    27,855
    sailingmonica
    Jan 19, 2017
  10. mmanning63

    4.3L Vortec mercruiser cracked block - swap with automotive engine block?

    mmanning63, Jun 19, 2010 ... 4 5 6
    Replies:
    75
    Views:
    163,021
    powerabout
    Aug 22, 2011
  11. moTthediesel

    VW diesel marine conversions

    moTthediesel, Apr 6, 2006 ... 3 4 5
    Replies:
    69
    Views:
    59,721
    CDK
    Sep 1, 2010
  12. tom kane

    Getting extra torque from your boat motor.

    tom kane, Jul 19, 2016 ... 2 3 4
    Replies:
    56
    Views:
    14,064
    tom kane
    Jul 31, 2016
  13. daniel2

    GM LS1 for marine use

    daniel2, Nov 23, 2005 ... 2 3 4
    Replies:
    54
    Views:
    73,228
    julius750
    May 29, 2011
  14. MihaS

    VW/AUDI 3.0TDI marinising

    MihaS, Nov 2, 2011 ... 2 3 4
    Replies:
    52
    Views:
    43,199
    kaloz01
    Jul 22, 2018
  15. Grebbo

    Fumes and Sparks

    Grebbo, May 8, 2006 ... 2 3 4
    Replies:
    52
    Views:
    12,520
    LUVMERC
    Aug 1, 2006
  16. greendeane

    Marinizing Rotary engine

    greendeane, Aug 13, 2008 ... 2 3 4
    Replies:
    50
    Views:
    54,675
    Kitrods
    Jun 26, 2021
  17. dorong

    silencing Weed eater engine

    dorong, May 25, 2012 ... 2 3 4
    Replies:
    49
    Views:
    54,022
    tom kane
    May 30, 2012
  18. CDK

    Marinizing VW turbodiesel engines

    CDK, Aug 31, 2007 ... 2 3 4
    Replies:
    45
    Views:
    91,160
    ben2go
    Apr 30, 2019
  19. LMannyR

    Modern 350 Marinizing

    LMannyR, Jul 8, 2007 ... 2 3 4
    Replies:
    45
    Views:
    14,085
    broke_not
    Sep 24, 2010
  20. curtis73

    Marinize a Subaru?

    curtis73, Sep 1, 2006 ... 2 3
    Replies:
    42
    Views:
    30,773
    S V
    Oct 3, 2022
  21. parkland

    How come we don't see hydraulic outboards?

    parkland, Feb 11, 2013 ... 2 3
    Replies:
    41
    Views:
    18,301
    aussietrev
    May 11, 2016
  22. DarrenPayne

    Want more sound

    DarrenPayne, Sep 25, 2005 ... 2 3
    Replies:
    39
    Views:
    13,845
    stonebreaker
    Jun 5, 2006
  23. Eric G

    454 "Crate" HO to Marine

    Eric G, Jul 10, 2005 ... 2 3
    Replies:
    38
    Views:
    51,945
    stonebreaker
    Nov 24, 2006
  24. NicB

    Propulsion Options for a 5t utility barge

    NicB, Nov 18, 2022 ... 2 3
    Replies:
    37
    Views:
    6,059
    C. Dog
    Jan 28, 2024
  25. timswait

    Narrowboat Engine

    timswait, Jul 4, 2008 ... 2 3
    Replies:
    36
    Views:
    33,106
    timswait
    Aug 11, 2009
  26. DennisRB

    Aircooled manifold, water cooled exhaust?

    DennisRB, Dec 10, 2016 ... 2 3
    Replies:
    32
    Views:
    15,823
    gonzo
    Aug 9, 2018
  27. HelicopterJohn

    6 HP briggs & Stratton outboard conversion

    HelicopterJohn, Jul 1, 2012 ... 2 3
    Replies:
    32
    Views:
    38,471
    evidrine
    Mar 14, 2013
  28. Bigswede

    40 year old needs new engine.

    Bigswede, Aug 5, 2012 ... 2 3
    Replies:
    32
    Views:
    15,253
    SiggiJo
    Jan 5, 2013
  29. Diesel Dan

    Marinizing Small Industrial Diesels

    Diesel Dan, Sep 23, 2004 ... 2 3
    Replies:
    32
    Views:
    33,603
    weelilboats
    Aug 12, 2009
  30. FAST FRED

    DIESEL TRUCK engine Marinization

    FAST FRED, Aug 21, 2004 ... 2 3
    Replies:
    31
    Views:
    36,141
    Redsky
    Jul 7, 2006
  31. 8ball

    Air cooled sailboat motor

    8ball, Feb 7, 2016 ... 2
    Replies:
    28
    Views:
    10,643
    RMA
    Sep 3, 2019
  32. DennisRB

    Marinizing automotive diesel engine and transmission.

    DennisRB, Apr 14, 2010 ... 2
    Replies:
    27
    Views:
    18,803
    FAST FRED
    Jun 15, 2010
  33. YOSHIBG

    Retrofitting 6.75hp Briggs To Sea King Lower

    YOSHIBG, May 25, 2007 ... 2
    Replies:
    27
    Views:
    13,984
    pistnbroke
    Mar 10, 2009
  34. fishon91

    closed cooling outboard?

    fishon91, Feb 22, 2011 ... 2
    Replies:
    26
    Views:
    19,221
    pistnbroke
    Feb 25, 2011
  35. Engmark

    Marinizing Audi 2.5 TDi (5 cyl) - Questions

    Engmark, Jun 11, 2014 ... 2
    Replies:
    25
    Views:
    13,905
    mydauphin
    Nov 24, 2016
  36. muddin redneck

    24 Hp Mudmotor Finally Finished

    muddin redneck, May 16, 2010 ... 2
    Replies:
    25
    Views:
    35,100
    evidrine
    Mar 16, 2013
  37. Jeremy Clarkson

    Lawn mower engine outboard motor?

    Jeremy Clarkson, Aug 17, 2011 ... 2
    Replies:
    25
    Views:
    59,158
    pistnbroke
    Sep 4, 2011
  38. bnhk88

    compressed air propulsion

    bnhk88, Aug 8, 2009 ... 2
    Replies:
    25
    Views:
    23,149
    apex1
    Sep 19, 2009
  39. ATMHC

    Mercedes V8 & V12 Big Block Conversions

    ATMHC, Jul 5, 2007 ... 2
    Replies:
    24
    Views:
    17,755
    Jimbo1490
    Jan 6, 2008
  40. DennisD

    Manual automotive transmission usage?

    DennisD, Jan 1, 2014 ... 2
    Replies:
    23
    Views:
    10,544
    pdwiley
    Jan 7, 2014
  41. Lowhorsepower

    Low Horsepower Crusier

    Lowhorsepower, Aug 20, 2010 ... 2
    Replies:
    23
    Views:
    10,203
    ben2go
    Sep 21, 2011
Showing threads 1 to 40 of 275

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